I have two favorite sandwiches, a Patty Melt and a Reuben.  If I'm "being bad" and it's on the menu you can bet I'm getting one or the other.  Today I made a Patty Melt with Bacon and Caramelized Onions.  At home. So freakin' good! Loaded with lots of swiss cheese, sweet caramelized onions, two